diff --git a/contrib/wireshark/sample/192.168.103.20.priv.pem b/contrib/wireshark/sample/192.168.103.20.priv.pem
new file mode 100644
index 0000000..9f69f7a
--- /dev/null
+++ b/contrib/wireshark/sample/192.168.103.20.priv.pem
@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----